Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6750472 | Organic electroluminescent device | Harumi Suzuki | 2004-06-15 |
| 6680879 | Method for recording stream of information data into a digital storage medium | Masao Negishi | 2004-01-20 |